Bump minimist, karma-mocha and mocha

Bumps [minimist](https://github.com/minimistjs/minimist) to 1.2.6 and updates ancestor dependencies [minimist](https://github.com/minimistjs/minimist), [karma-mocha](https://github.com/karma-runner/karma-mocha) and [mocha](https://github.com/mochajs/mocha). These dependencies need to be updated together.


Updates `minimist` from 0.0.8 to 1.2.6
- [Release notes](https://github.com/minimistjs/minimist/releases)
- [Changelog](https://github.com/minimistjs/minimist/blob/main/CHANGELOG.md)
- [Commits](minimistjs/minimist@v0.0.8...v1.2.6)

Updates `karma-mocha` from 1.3.0 to 2.0.1
- [Release notes](https://github.com/karma-runner/karma-mocha/releases)
- [Changelog](https://github.com/karma-runner/karma-mocha/blob/master/CHANGELOG.md)
- [Commits](karma-runner/karma-mocha@v1.3.0...v2.0.1)

Updates `mocha` from 7.0.1 to 7.2.0
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v7.0.1...v7.2.0)

---
updated-dependencies:
- dependency-name: minimist
  dependency-type: indirect
- dependency-name: karma-mocha
  dependency-type: direct:development
- dependency-name: mocha
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>